Authors:

Create a friendly atmosphere on the inside and outside. Live Friendly. Be a friendly person on the inside. Have the attitude it takes to be smiling internally first.

Jeffrey H. Gitomer (1998). “Customer Satisfaction is Worthless, Customer Loyalty is Priceless: How to Make Customers Love You, Keep Them Coming Back and Tell Everyone They Know”, Bard
Create a friendly atmosphere on the inside and outside. Live Friendly. Be a friendly person on the inside. Have the attitude it takes to be smiling internally first.